﻿using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace Abble4
{
    class Area
    {
        public int area(int a,int b)
        {
            return a*b;
        }
        public double area(double r)
        {
            return 3.14*r*r;
        }
    }
}
